/Engine/Source/Editor/SequencerWidgets/Public/ITimeSlider.h
virtual [FReply](API\Runtime\SlateCore\Input\FReply) OnTimeSliderMouseWheel ( [SWidget](API\Runtime\SlateCore\Widgets\SWidget) & OwnerWidget, const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & MyGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & MouseEvent )